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Photoacoustic (PA) imaging has the potential to revolutionize functional medical imaging in healthcare due to the valuable information on tissue physiology contained in multispectral photoacoustic measurements. Clinical translation of the…

Volumetric, multimodal imaging with precise spatial and temporal co-registration can provide valuable and complementary information for diagnosis and monitoring. Considerable research has sought to combine 3D photoacoustic (PA) and…

Image quality assessment (IQA) is crucial in the evaluation stage of novel algorithms operating on images, including traditional and machine learning based methods. Due to the lack of available quality-rated medical images, most commonly…

Image and Video Processing · Electrical Eng. & Systems 2026-05-01 Anna Breger , Janek Gröhl , Clemens Karner , Thomas R Else , Ian Selby , Tom Rix , Lara-Sophie Witt , Merle Duchêne , Jonathan Weir-McCall , Carola-Bibiane Schönlieb

Research ultrasound scanners such as the Verasonics Vantage often lack the advanced image processing algorithms used by clinical systems. Image quality is even lower in plane wave imaging - often used for shear wave elasticity imaging…

Image and Video Processing · Electrical Eng. & Systems 2024-12-10 Reed Chen , Courtney Trutna Paley , Wren Wightman , Lisa Hobson-Webb , Yohei Harada , Felix Jin , Ouwen Huang , Mark Palmeri , Kathryn Nightingale

Photoacoustic imaging (PAI), is a promising medical imaging technique that provides the high contrast of the optical imaging and the resolution of ultrasound (US) imaging. Among all the methods, Three-dimensional (3D) PAI provides a high…

Signal Processing · Electrical Eng. & Systems 2018-02-27 Roya Paridar , Moein Mozaffarzadeh , Ali Mahloojifar , Mohammadreza Nasiriavanaki , Mahdi Orooji

Photoacoustic imaging (PAI) is a novel medical imaging modality that uses the advantages of the spatial resolution of ultrasound imaging and the high contrast of pure optical imaging. Analytical algorithms are usually employed to…

Signal Processing · Electrical Eng. & Systems 2018-02-27 Moein Mozaffarzadeh , Ali Mahloojifar , Mohammadreza Nasiriavanaki , Mahdi Orooji

Biomedical photoacoustic (PA) imaging is typically used to exploit absorption-based contrast in soft tissue at depths of several centimeters. When it is applied to measuring PA waves generated in the brain, the acoustic properties of the…

Medical Physics · Physics 2023-09-26 Thomas Kirchner , Claus Villringer , Jan Laufer

Photoacoustic (PA) imaging is a biomedical imaging modality capable of acquiring high-contrast images of optical absorption at depths much greater than traditional optical imaging techniques. However, practical instrumentation and geometry…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Mengjie Guo , Hengrong Lan , Changchun Yang , Fei Gao

Photoacoustic microscopy (PAM) is a novel implementation of photoacoustic imaging (PAI) for visualizing the 3D bio-structure, which is realized by raster scanning of the tissue. However, as three involved critical imaging parameters,…

Image and Video Processing · Electrical Eng. & Systems 2023-08-10 Zhengyuan Zhang , Haoran Jin , Zesheng Zheng , Wenwen Zhang , Wenhao Lu , Feng Qin , Arunima Sharma , Manojit Pramanik , Yuanjin Zheng

Deep-learning-based super-resolution photoacoustic angiography (PAA) is a powerful tool that restores blood vessel images from under-sampled images to facilitate disease diagnosis. Nonetheless, due to the scarcity of training samples, PAA…

Image and Video Processing · Electrical Eng. & Systems 2023-05-03 Yuanzheng Ma , Wangting Zhou , Rui Ma , Sihua Yang , Yansong Tang , Xun Guan

Background: Photoacoustic Microscopy (PAM) integrates optical and acoustic imaging, offering enhanced penetration depth for detecting optical-absorbing components in tissues. Nonetheless, challenges arise in scanning large areas with high…

Medical Physics · Physics 2023-12-15 Irem Loc , Mehmet Burcin Unlu

Real-time monitoring of functional tissue parameters, such as local blood oxygenation, based on optical imaging could provide groundbreaking advances in the diagnosis and interventional therapy of various diseases. While photoacoustic (PA)…

Medical Physics · Physics 2018-08-15 Thomas Kirchner , Janek Gröhl , Lena Maier-Hein

Photoacoustic (PA) imaging technology combines the advantages of optical imaging and ultrasound imaging, showing great potential in biomedical applications. Many preclinical studies and clinical applications urgently require fast,…

Image and Video Processing · Electrical Eng. & Systems 2024-08-13 Yuwei Zheng , Zijian Gao , Yuting Shen , Jiadong Zhang , Daohuai Jiang , Fengyu Liu , Feng Gao , Fei Gao

Photoacoustic image (PAI) quality improvement using a low frequency piezoelectric micromachined ultrasound transducer (PMUT) having the fundamental resonant frequency 1 MHz is being reported. Specifically, three different methods are…

Instrumentation and Detectors · Physics 2022-12-01 Kaustav Roy , Arijit Paramanik , Souradip Paul , Akshay Kalyan , Eshani Sarkar , Anuj Ashok , Rudra Pratap , M Suheshkumar Singh

Photoacoustic (PA) imaging has been widely applied in both preclinical and clinical applications. With a significantly increasing number of data acquisition channels, fast and high-quality image reconstruction for real-time PA imaging is an…

Medical Physics · Physics 2024-08-20 Zijian Gao , Yuting Shen , Daohuai Jiang , Fengyu Liu , Feng Gao , Fei Gao

Photoacoustic imaging (PAI) is a promising medical imaging modality providing the spatial resolution of ultrasound (US) imaging and the contrast of pure optical imaging. For linear-array PAI, a beamformer has to be used as the…

Medical Physics · Physics 2018-02-15 Moein Mozaffarzadeh , Yan Yan , Mohammad Mehrmohammadi , Bahador Makkiabadi

Photoacoustic tomography (PAT) is an emerging technology for biomedical imaging that combines the superiorities of high optical contrast and acoustic penetration. In the PAT system, more photoacoustic (PA) signals are preferred to be…

Instrumentation and Detectors · Physics 2020-12-09 Daohuai Jiang , Hengrong Lan , Yiyun Wang , Feng Gao , Fei Gao

Photoacoustic microscopy (PAM) is a promising imaging modality because it is able to reveal optical absorption contrast in high resolution on the order of a micrometer. It can be applied in an endoscopic approach by implementing PAM into a…

Medical Physics · Physics 2019-11-22 Zhendong Guo , Zhanhong Ye , Weihao Shao , Lili Jing , Sung-Liang Chen

Optoacoustic (OA) imaging is based on excitation of biological tissues with nanosecond-duration laser pulses followed by subsequent detection of ultrasound waves generated via light-absorption-mediated thermoelastic expansion. OA imaging…

Image and Video Processing · Electrical Eng. & Systems 2023-05-04 Firat Ozdemir , Berkan Lafci , Xosé Luís Deán-Ben , Daniel Razansky , Fernando Perez-Cruz

Photoacoustic imaging is an emerging technology based on the photoacoustic effect that has developed rapidly in recent years. It combines the high contrast of optical imaging and the high penetration and high resolution of acoustic imaging.…